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In this photo released by the Syrian official news agency SANA on Thursday, Jan. 3, 2013, Syrian firefighters check a gas station that was attacked by a car bomb killing several people, activists said, in Damascus, Syria. Syrian ground and air forces bombarded rebel strongholds on the outskirts of Damascus and other areas around the country Friday while anti-government forces targeted a military post near the capital with a car bomb, activists said. (AP Photo/SANA)

In this photo released by the Syrian official news agency SANA on Thursday, Jan. 3, 2013, Syrian firefighters check a gas station that was attacked by a car bomb killing several people, activists said, in Damascus, Syria. Syrian ground and air forces bombarded rebel strongholds on the outskirts of Damascus and other areas around the country Friday while anti-government forces targeted a military post near the capital with a car bomb, activists said. (AP Photo/SANA)